CN208986900U - A kind of photovoltaic junction box - Google Patents
A kind of photovoltaic junction box Download PDFInfo
- Publication number
- CN208986900U CN208986900U CN201821890000.3U CN201821890000U CN208986900U CN 208986900 U CN208986900 U CN 208986900U CN 201821890000 U CN201821890000 U CN 201821890000U CN 208986900 U CN208986900 U CN 208986900U
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- Prior art keywords
- box
- box body
- photovoltaic
- photovoltaic junction
- connection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
A kind of photovoltaic junction box, its installation is connected on photovoltaic module, at least one metallic support is equipped in the photovoltaic junction box, the busbar connection drawn in the metallic support and photovoltaic module, the connector interface for connecting photovoltaic connector is offered on the photovoltaic junction box, further include at least one independent connection box, diode is equipped in the connection box, the diode connect the connection of the metallic support in box with photovoltaic by cable.The utility model increases connection box structure, for installing diode, so that the installation site of diode changes, it is no longer mounted in existing photovoltaic junction box, to enhance the heat dissipation performance of diode, photovoltaic module and photovoltaic junction box will not be damaged when diode is burnt out, greatly reduce maintenance cost.
Description
Technical field
The utility model relates to belong to photovoltaic application field, especially a kind of photovoltaic junction box.
Background technique
Inexhaustible solar energy increasingly has been favored by people because of its safe, clean, environmental protection.
Solar photovoltaic industry becomes the rising industry that the whole world is competitively chased, and in China, more and more enterprises are added to this " day by day
Enterprise ", China have become the third-largest photovoltaic manufacture base in the whole world, are only second to Japan, Germany.Meanwhile it also promoting too
The development of positive energy related components industry, such as photovoltaic terminal box, photovoltaic connector, controller, inverter, battery
Deng.
An important component of the photovoltaic terminal box as solar cell module, is between solar cell module
Connector between the solar cell array and rechargeable solar battery control device of composition is collection an electrical design, machine
The cross-cutting comprehensive design that tool design and material science combine provides the combination connection of solar panel for user
Scheme.
Existing photovoltaic junction box is divided into integral type terminal box and Split type connecting box, and when use is required to be fixed on photovoltaic
On component, most conventional way is that sealant is injected in terminal box, plays the role of sealing and fixing.Diode is photovoltaic
Core component in terminal box, for doing the electronic component of unidirectional current conducting.It is well known that sealing and heat dissipation are two phases
Anti- is extreme, same in photovoltaic junction box, therefore diode is one of the component most easily to generate heat in entire photovoltaic system, root
According to the feedback after actual use, diode is also the component of most easy burn-out simultaneously, since photovoltaic junction box is fixed on photovoltaic module
The back side, diode itself damage while related photovoltaic junction box and part photovoltaic module can be burnt out, cause biggish
Loss.Also, due to the defect of existing structure and fixed form, when maintenance, needs to shovel by sealant, in the process that shovel falls
In also be easy to cause the secondary damage of photovoltaic module, bring more losses to user.
Utility model content
In order to overcome the above-mentioned deficiency of the prior art, the utility model provide a kind of heat dissipation performance is good, maintenance replacement more
Add convenience, the lower photovoltaic junction box of maintenance cost.
The technical scheme in the invention for solving the technical problem is: a kind of photovoltaic junction box, and installation is connected to photovoltaic
On component, it is equipped at least one metallic support in the photovoltaic junction box, is drawn in the metallic support and photovoltaic module
Busbar connection, the connector interface for connecting photovoltaic connector is offered on the photovoltaic junction box, further include to
A few independent connection box, the connection box is interior to be equipped with diode, and the diode connect box with photovoltaic by cable
Interior metallic support connection.
Preferably, the photovoltaic junction box is split type photovoltaic junction box comprising the left box being arranged independently of each other
Body and right box body are equipped with metallic support in the left box body and right box body, open up in the left box body and right box body
There are the first interface for connecting cable and the connector interface, the left box body is arranged in the connection box
It is realized between right box body and by cable and is connected.
Preferably, the photovoltaic junction box is integral type photovoltaic junction box, diode and institute in the connection box
State the metallic support connection in integral type photovoltaic junction box.
Preferably, further including box body in several, metallic support, the middle box body also are provided in the middle box body
Between the left box body and right box body, at least two second for connecting cable are offered on the middle box body
Interface, the connection box be arranged between the left box body and middle box body or be arranged between adjacent middle box body or
Person be arranged between middle box body and right box body, and the connection box pass through cable respectively with the left box body, middle box body
It is connected with right box body.
Preferably, the both ends of the cable are equipped with metal joint, wherein the metal joint of one end stretches to described
Connection box in and connect with diode, it is interior and connect with metallic support that the metal joint of the other end stretches to photovoltaic junction box.
Preferably, water-proof nut is also arranged on the cable, the water-proof nut and the connection box
Or photovoltaic junction box is tightly connected.
Preferably, further include connection terminal, metal joint and institute of the cable on photovoltaic junction box one end
One end connection of connection terminal is stated, the other end of the connection terminal is connect by securing member with the metallic support.
Preferably, being additionally provided with two metal connecting pieces in the connection box, offered on the metal connecting piece
Card slot, the diode are caught in into the card slot.
The utility model has the beneficial effects that:
1, increase connection box structure, for installing diode, so that the installation site of diode changes, no longer
It is mounted in existing photovoltaic junction box, so that the heat dissipation performance of diode is enhanced, it will not be to light when diode is burnt out
Volt component and photovoltaic junction box damage, and greatly reduce maintenance cost；
2, connection box uses dismountable structure, and only need to individually remove connection box in diode damage can be realized maintenance
Replacement, it is very convenient, and since photovoltaic junction box need not be dismantled, shovel glue process is eliminated, thus will not be to photovoltaic wiring
Box and photovoltaic module cause secondary injury；
3, it is realized and is tightly connected using water-proof nut between cable and connection box and cable and photovoltaic junction box,
Instead of conventional sealant, under the premise of ensuring leakproofness, use is easier for installation, and can be realized repetitious
Dismounting；
4, the connection box structure provided in the utility model, can apply in integral type photovoltaic junction box and split type light
It lies prostrate in terminal box, meets the needs of various photovoltaic modulies.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of split type photovoltaic junction box in the utility model.
Fig. 2 is confined explosion's schematic diagram of split type photovoltaic junction box in the utility model.
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Fig. 4 is the use schematic diagram of connection terminal.
Fig. 5 is the cross-sectional view for connecting box.
Fig. 6 is the structural schematic diagram of integral type photovoltaic junction box in the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Referring to Fig.1~Fig. 6, a kind of photovoltaic junction box, installation are connected on photovoltaic module 17, the photovoltaic junction box
At least one metallic support 2 is equipped in 1, the busbar 18 drawn in the metallic support 2 and photovoltaic module 17 is connect, described
Photovoltaic junction box 1 on offer connector interface 3 for connecting photovoltaic connector, further include at least one independent connection
Box 4, the connection box 4 is interior to be equipped with diode 5, and the diode 5 connect the metal branch in box 4 with photovoltaic by cable 8
Frame 2 connects.
When the photovoltaic junction box 1 is split type photovoltaic junction box comprising 6 He of left box body being arranged independently of each other
Right box body 7 is equipped with metallic support 2 in the left box body 6 and right box body 7, opens in the left box body 6 and right box body 7
Equipped with for connecting cable 8 first interface 9 and the connector interface 3, the connection box 4 be arranged in described
Connection is realized between left box body 6 and right box body 7 and by cable 8.
According to the demand of photovoltaic module 17, the split type photovoltaic junction box can also include box body 10 in several, institute
Metallic support 2 also is provided in the middle box body 10 stated, the middle box body 10 is between the left box body 6 and right box body 7, institute
At least two second interfaces 11 for connecting cable 8 are offered on the middle box body 10 stated, the connection box 4 is arranged in institute
Between the left box body 6 stated and middle box body 10 or it is arranged between adjacent middle box body 10 or is arranged in middle box body 10 and the right side
Between box body 7, and the connection box 4 is connected with the left box body 6, middle box body 10 and right box body 7 respectively by cable 8
It connects.
Diode 5 and institute when the photovoltaic junction box 1 is integral type photovoltaic junction box 12, in the connection box 4
The metallic support 2 stated in integral type photovoltaic junction box 12 connects.
The utility model provides a variety of photovoltaic junction box structures with connection box, specifically can be according on photovoltaic module 17
The route of busbar 18 determines to use split type photovoltaic junction box or integral type photovoltaic junction box.
In the present embodiment, the both ends of the cable 8 are equipped with metal joint 13, and wherein the metal joint 13 of one end protrudes into
Connect in the connection box 4 and with diode 5, the metal joint 13 of the other end stretch to photovoltaic junction box 1 it is interior and with gold
Belong to bracket 2 to connect.It preferably, further include connection terminal 14, metal of the cable 8 on 1 one end of photovoltaic junction box connects
First 13 connect with one end of the connection terminal 14, and the other end of the connection terminal 14 passes through securing member 15 and described
Metallic support 2 connects.It is more solid and reliable in connection by the setting of metal joint 13 and connection terminal 14, while having more
Good electrical conduction performance.
In the present embodiment, it is also arranged with water-proof nut 16 on the cable 8, the water-proof nut 16 and described
It connects box 4 or photovoltaic junction box 1 is tightly connected.By the setting of water-proof nut 16, can be improved cable 8 with connect box 4, with
And the connection sealing energy between cable 8 and photovoltaic junction box 1.
In the present embodiment, it is additionally provided with two metal connecting pieces 19 in the connection box 4, on the metal connecting piece 19
Card slot 20 is offered, the diode 5 is caught in into the card slot 20.Using the structure of the present embodiment, so that diode
Dismounting it is more convenient.
When the utility model is used, photovoltaic junction box 1 is attached on photovoltaic module 17, the busbar on photovoltaic module 17
18 access to the sealed connection after photovoltaic junction box 1 with sealant realization between the two.Each connection box 4 is located at its phase
Between adjacent photovoltaic junction box 1, provide one for storing, installing the independent space of diode 5, when use not with photovoltaic
Component 17 contacts, and connection box 4 is sealed by water-proof nut 16, does not need injection sealant, therefore heat dissipation performance is more preferable, is conducive to
The efficiency of conduction is improved, transport loss is reduced, improves the generated output of solar power generation component entirety.Meanwhile it being damaged in diode 5
Bad when, it is only necessary to which individually the lower connection box 4 of disassembly is maintained or replaced diode 5, easy to operate, reduces each
The loss of components, substantially reduces maintenance cost, has very vast market prospect.
Claims (8)
1. a kind of photovoltaic junction box, installation is connected on photovoltaic module, at least one gold is equipped in the photovoltaic junction box
Belong to bracket, the busbar drawn in the metallic support and photovoltaic module connects, and opens up on the photovoltaic junction box useful
In the connector interface of connection photovoltaic connector, it is characterised in that: further include at least one independent connection box, the connection
Diode is equipped in box, the diode connect the connection of the metallic support in box with photovoltaic by cable.
2. photovoltaic junction box according to claim 1, it is characterised in that: the photovoltaic junction box is that split type photovoltaic connects
Wire box comprising the left box body and right box body being arranged independently of each other are equipped with metallic support in the left box body and right box body,
The first interface for connecting cable and the connector interface, institute are offered in the left box body and right box body
The connection box stated, which is arranged between the left box body and right box body and is realized by cable, to be connected.
3. photovoltaic junction box according to claim 1, it is characterised in that: the photovoltaic junction box is that integral type photovoltaic connects
Wire box, the diode connected in box are connect with the metallic support in the integral type photovoltaic junction box.
4. photovoltaic junction box according to claim 2, it is characterised in that: it further include box body in several, the middle box
It also is provided with metallic support in vivo, the middle box body is opened on the middle box body between the left box body and right box body
The second interface for being used for connecting cable equipped at least two, the connection box be arranged in the left box body and middle box body it
Between or be arranged between adjacent middle box body or be arranged between middle box body and right box body, and the connection box passes through
Cable is connect with the left box body, middle box body and right box body respectively.
5. photovoltaic junction box according to claim 1, it is characterised in that: the both ends of the cable are equipped with metal and connect
Head, wherein the metal joint of one end is stretched in the connection box and is connect with diode, and the metal joint of the other end protrudes into
It is connect in photovoltaic junction box and with metallic support.
6. photovoltaic junction box according to claim 1, it is characterised in that: be also arranged with waterproof spiral shell on the cable
Mother, the water-proof nut and the connection box or photovoltaic junction box are tightly connected.
7. photovoltaic junction box according to claim 5, it is characterised in that: further include connection terminal, the cable is close
Metal joint on photovoltaic junction box one end is connect with one end of the connection terminal, and the other end of the connection terminal passes through company
Fastener is connect to connect with the metallic support.
8. photovoltaic junction box according to claim 1, it is characterised in that: be additionally provided with two metals in the connection box and connect
Fitting offers card slot on the metal connecting piece, and the diode is caught in into the card slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890000.3U CN208986900U (en) | 2018-11-16 | 2018-11-16 | A kind of photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890000.3U CN208986900U (en) | 2018-11-16 | 2018-11-16 | A kind of photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208986900U true CN208986900U (en) | 2019-06-14 |
Family
ID=66791094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821890000.3U Active CN208986900U (en) | 2018-11-16 | 2018-11-16 | A kind of photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208986900U (en) |
-
2018
- 2018-11-16 CN CN201821890000.3U patent/CN208986900U/en active Active
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